From 041526f915a90b2b628cd0253e2c85da8040276d Mon Sep 17 00:00:00 2001 From: Stratos Karafotis Date: Fri, 25 Apr 2014 23:15:38 +0300 Subject: cpufreq: Use cpufreq_for_each_* macros for frequency table iteration The cpufreq core now supports the cpufreq_for_each_entry and cpufreq_for_each_valid_entry macros helpers for iteration over the cpufreq_frequency_table, so use them. It should have no functional changes. Signed-off-by: Stratos Karafotis Acked-by: Lad, Prabhakar Acked-by: Viresh Kumar Signed-off-by: Rafael J. Wysocki --- drivers/cpufreq/s3c2416-cpufreq.c | 40 +++++++++++++++++---------------------- 1 file changed, 17 insertions(+), 23 deletions(-) (limited to 'drivers/cpufreq/s3c2416-cpufreq.c') diff --git a/drivers/cpufreq/s3c2416-cpufreq.c b/drivers/cpufreq/s3c2416-cpufreq.c index 4626f90..2fd53ea 100644 --- a/drivers/cpufreq/s3c2416-cpufreq.c +++ b/drivers/cpufreq/s3c2416-cpufreq.c @@ -266,7 +266,7 @@ out: static void __init s3c2416_cpufreq_cfg_regulator(struct s3c2416_data *s3c_freq) { int count, v, i, found; - struct cpufreq_frequency_table *freq; + struct cpufreq_frequency_table *pos; struct s3c2416_dvfs *dvfs; count = regulator_count_voltages(s3c_freq->vddarm); @@ -275,12 +275,11 @@ static void __init s3c2416_cpufreq_cfg_regulator(struct s3c2416_data *s3c_freq) return; } - freq = s3c_freq->freq_table; - while (count > 0 && freq->frequency != CPUFREQ_TABLE_END) { - if (freq->frequency == CPUFREQ_ENTRY_INVALID) - continue; + if (!count) + goto out; - dvfs = &s3c2416_dvfs_table[freq->driver_data]; + cpufreq_for_each_valid_entry(pos, s3c_freq->freq_table) { + dvfs = &s3c2416_dvfs_table[pos->driver_data]; found = 0; /* Check only the min-voltage, more is always ok on S3C2416 */ @@ -292,13 +291,12 @@ static void __init s3c2416_cpufreq_cfg_regulator(struct s3c2416_data *s3c_freq) if (!found) { pr_debug("cpufreq: %dkHz unsupported by regulator\n", - freq->frequency); - freq->frequency = CPUFREQ_ENTRY_INVALID; + pos->frequency); + pos->frequency = CPUFREQ_ENTRY_INVALID; } - - freq++; } +out: /* Guessed */ s3c_freq->regulator_latency = 1 * 1000 * 1000; } @@ -338,7 +336,7 @@ static struct notifier_block s3c2416_cpufreq_reboot_notifier = { static int __init s3c2416_cpufreq_driver_init(struct cpufreq_policy *policy) { struct s3c2416_data *s3c_freq = &s3c2416_cpufreq; - struct cpufreq_frequency_table *freq; + struct cpufreq_frequency_table *pos; struct clk *msysclk; unsigned long rate; int ret; @@ -427,31 +425,27 @@ static int __init s3c2416_cpufreq_driver_init(struct cpufreq_policy *policy) s3c_freq->regulator_latency = 0; #endif - freq = s3c_freq->freq_table; - while (freq->frequency != CPUFREQ_TABLE_END) { + cpufreq_for_each_entry(pos, s3c_freq->freq_table) { /* special handling for dvs mode */ - if (freq->driver_data == 0) { + if (pos->driver_data == 0) { if (!s3c_freq->hclk) { pr_debug("cpufreq: %dkHz unsupported as it would need unavailable dvs mode\n", - freq->frequency); - freq->frequency = CPUFREQ_ENTRY_INVALID; + pos->frequency); + pos->frequency = CPUFREQ_ENTRY_INVALID; } else { - freq++; continue; } } /* Check for frequencies we can generate */ rate = clk_round_rate(s3c_freq->armdiv, - freq->frequency * 1000); + pos->frequency * 1000); rate /= 1000; - if (rate != freq->frequency) { + if (rate != pos->frequency) { pr_debug("cpufreq: %dkHz unsupported by clock (clk_round_rate return %lu)\n", - freq->frequency, rate); - freq->frequency = CPUFREQ_ENTRY_INVALID; + pos->frequency, rate); + pos->frequency = CPUFREQ_ENTRY_INVALID; } - - freq++; } /* Datasheet says PLL stabalisation time must be at least 300us, -- cgit v1.1